Finding the Fourth Proportional to 83,777.57, 115,594.69 and 49,797.35

Step by Step Solution

1. Step 1: Write the proportion equation
   83,777.57 : 115,594.69 = 49,797.35 : x
2. Step 2: Convert to fraction form
   83,777.57/115,594.69 = 49,797.35/x
3. Step 3: Cross multiply
   83,777.57x = 115,594.69 × 49,797.35
4. Step 4: Simplify right side
   83,777.57x = 5,756,308,533.60
5. Step 5: Solve for x
   x = 5,756,308,533.60/83,777.57
6. Step 6: Final answer
   x = 68,709.43